Changing your idetnity?

Okay I%26#039;m working on a new story and I%26#039;m curious about how you would go about changing your identity to hide from someone from your past.|||Change your name legally and move, keep your home phone private, get a block from any numbers you don%26#039;t know and keep a PO box instead of a home mailing address. If this is an issue of personal safety, it might be a good idea to apply for a handgun.